There was for a while; the most prominent story I can remember is a Target point card figuring out a woman was pregnant: https://www.forbes.com/sites/kashmirhil

There was for a while; the most prominent story I can remember is a Target point card figuring out a woman was pregnant: https://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/ https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ...